Which of the following is the best way to securely store an encryption key for a data set in a manner that allows multiple entities to access the key when needed?

The correct answer is D. Key escrow. Key escrow refers to a system where encryption keys are stored in a secure, third-party repository, allowing authorized entities (such as specific individuals or organizations) to access the key when necessary.

Submitted by jordan8· Mar 6, 2026Security architecture

Question

Options

APublic key infrastructure
BOpen public ledger
CPublic key encryption
DKey escrow

How the community answered

(48 responses)

A
4% (2)
B
6% (3)
C
15% (7)
D
75% (36)

Explanation

Key escrow refers to a system where encryption keys are stored in a secure, third-party repository, allowing authorized entities (such as specific individuals or organizations) to access the key when necessary.

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